It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 80 242 429 is not a prime number.
For example, 80 242 429 can be divided by 43: 80 242 429 / 43 = 1 866 103.
For 80 242 429 to be a prime number, it would have been required that 80 242 429 has only two divisors, i.e., itself and 1.
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80 242 429 is an odd number, because it is not evenly divisible by 2.
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A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 80 242 429 is about 8 957.814.
Thus, the square root of 80 242 429 is not an integer, and therefore 80 242 429 is not a square number.
The square of a number (here 80 242 429) is the result of the product of this number (80 242 429) by itself (i.e., 80 242 429 × 80 242 429); the square of 80 242 429 is sometimes called "raising 80 242 429 to the power 2", or "80 242 429 squared".
The square of 80 242 429 is 6 438 847 411 820 041 because 80 242 429 × 80 242 429 = 80 242 4292 = 6 438 847 411 820 041.
As a consequence, 80 242 429 is the square root of 6 438 847 411 820 041.
80 242 429 is a number with 8 digits.
The multiples of 80 242 429 are all integers evenly divisible by 80 242 429, that is all numbers such that the remainder of the division by 80 242 429 is zero. There are infinitely many multiples of 80 242 429. The smallest multiples of 80 242 429 are: